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* exceptions.cc (signal_exit): Renamed from "really+exit". Always sets

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EXIT_SIGNAL bit and reorganizes exit value for backwards cygwin handling.
(handle_exceptions): Call signal_exit.  Set "core dumped" bit.
(sig_handle): Call signal_exit.  Set "core dumped" bit appropriately.
This commit is contained in:
Christopher Faylor
2000-07-26 20:13:27 +00:00
parent 0d4c5950ff
commit 866c04e9cf
2 changed files with 15 additions and 18 deletions
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8
winsup/cygwin/ChangeLog
View File

@@ -1,3 +1,11 @@
Wed Jul 26 16:05:04 2000 Christopher Faylor <cgf@cygnus.com>
* exceptions.cc (signal_exit): Renamed from "really+exit". Always sets
EXIT_SIGNAL bit and reorganizes exit value for backwards cygwin
handling.
(handle_exceptions): Call signal_exit. Set "core dumped" bit.
(sig_handle): Call signal_exit. Set "core dumped" bit appropriately.
Wed Jul 26 20:44:00 2000 Corinna Vinschen <corinna@vinschen.de> Wed Jul 26 20:44:00 2000 Corinna Vinschen <corinna@vinschen.de>
* environ.cc (posify): Revert previous patch. * environ.cc (posify): Revert previous patch.

25
winsup/cygwin/exceptions.cc
View File

@@ -27,7 +27,7 @@ extern DWORD __sigfirst, __siglast;
}; };
static BOOL WINAPI ctrl_c_handler (DWORD); static BOOL WINAPI ctrl_c_handler (DWORD);
static void really_exit (int); static void signal_exit (int);
static char windows_system_directory[1024]; static char windows_system_directory[1024];
static size_t windows_system_directory_length; static size_t windows_system_directory_length;
@@ -518,7 +518,7 @@ handle_exceptions (EXCEPTION_RECORD *e, void *, CONTEXT *in, void *)
stackdump (e, &c); stackdump (e, &c);
} }
try_to_debug (); try_to_debug ();
really_exit (EXIT_SIGNAL | sig); signal_exit (0x80 | sig); // Flag signal + core dump
} }
sig_send (NULL, sig, (DWORD) ebp); // Signal myself sig_send (NULL, sig, (DWORD) ebp); // Signal myself
@@ -869,17 +869,6 @@ extern "C" {
static void static void
sig_handle_tty_stop (int sig) sig_handle_tty_stop (int sig)
{ {
#if 0
HANDLE waitbuf[2];
/* Be sure that process's main thread isn't an owner of vital
mutex to prevent cygwin subsystem lockups */
waitbuf[0] = pinfo_mutex;
waitbuf[1] = title_mutex;
WaitForMultipleObjects (2, waitbuf, TRUE, INFINITE);
ReleaseMutex (pinfo_mutex);
ReleaseMutex (title_mutex);
#endif
myself->stopsig = sig; myself->stopsig = sig;
myself->process_state |= PID_STOPPED; myself->process_state |= PID_STOPPED;
/* See if we have a living parent. If so, send it a special signal. /* See if we have a living parent. If so, send it a special signal.
@@ -993,7 +982,7 @@ exit_sig:
GetThreadContext (hMainThread, &c); GetThreadContext (hMainThread, &c);
stackdump (NULL, &c); stackdump (NULL, &c);
try_to_debug (); try_to_debug ();
really_exit (EXIT_SIGNAL | sig); sig |= 0x80;
} }
sigproc_printf ("signal %d, about to call do_exit", sig); sigproc_printf ("signal %d, about to call do_exit", sig);
TerminateThread (hMainThread, 0); TerminateThread (hMainThread, 0);
@@ -1001,20 +990,20 @@ exit_sig:
use a resource lock when exiting. */ use a resource lock when exiting. */
user_data->resourcelocks->Delete (); user_data->resourcelocks->Delete ();
user_data->resourcelocks->Init (); user_data->resourcelocks->Init ();
do_exit (EXIT_SIGNAL | (sig << 8)); signal_exit (sig);
/* Never returns */ /* Never returns */
} }
/* Cover function to `do_exit' to handle exiting even in presence of more /* Cover function to `do_exit' to handle exiting even in presence of more
exceptions. We use to call exit, but a SIGSEGV shouldn't cause atexit exceptions. We used to call exit, but a SIGSEGV shouldn't cause atexit
routines to run. */ routines to run. */
static void static void
really_exit (int rc) signal_exit (int rc)
{ {
/* If the exception handler gets a trap, we could recurse awhile. /* If the exception handler gets a trap, we could recurse awhile.
If this is non-zero, skip the cleaning up and exit NOW. */ If this is non-zero, skip the cleaning up and exit NOW. */
rc = EXIT_SIGNAL | (rc << 8);
if (exit_already++) if (exit_already++)
{ {
/* We are going down - reset our process_state without locking. */ /* We are going down - reset our process_state without locking. */